About SUGA NAOKO
About 横浜市 道路局
About 日本緑化工学会誌
About street tree
About root system
About plant growth
About sidewalk
About construction (work)
About civil engineering material
About community planning
About base course material
About countermeasure construction
About tree (plant)
About plant physiology
About 根上がり
About countermeasure construction
About Facilities attached to roads
About Forest mensuration(=dendrometry)
About 街づくり
About 街路
About 基盤整備
About 根
About 対策
About 歩行者
About 樹木